import sys
import math
import itertools
import collections
import heapq
import re
import numpy as np
from functools import reduce

rr = lambda: sys.stdin.readline().rstrip()
rs = lambda: sys.stdin.readline().split()
ri = lambda: int(sys.stdin.readline())
rm = lambda: map(int, sys.stdin.readline().split())
rl = lambda: list(map(int, sys.stdin.readline().split()))
inf = float('inf')
mod = 10**9 + 7

a = ri()//200
print(10-a)
















 import sys sys import math math import itertools itertools import collections collections import heapq heapq import re re import numpy as np numpy from functools import reduce rr = lambda: sys.stdin.readline().rstrip() rr lambda: sys.stdin.readline().rstrip() sys.stdin.readline().rstrip() sys.stdin.readline().rstrip sys.stdin.readline() sys.stdin.readline sys.stdin sys stdin readline rstrip rs = lambda: sys.stdin.readline().split() rs lambda: sys.stdin.readline().split() sys.stdin.readline().split() sys.stdin.readline().split sys.stdin.readline() sys.stdin.readline sys.stdin sys stdin readline split ri = lambda: int(sys.stdin.readline()) ri lambda: int(sys.stdin.readline()) int(sys.stdin.readline()) int sys.stdin.readline() sys.stdin.readline sys.stdin sys stdin readline rm = lambda: map(int, sys.stdin.readline().split()) rm lambda: map(int, sys.stdin.readline().split()) map(int, sys.stdin.readline().split()) map int sys.stdin.readline().split() sys.stdin.readline().split sys.stdin.readline() sys.stdin.readline sys.stdin sys stdin readline split rl = lambda: list(map(int, sys.stdin.readline().split())) rl lambda: list(map(int, sys.stdin.readline().split())) list(map(int, sys.stdin.readline().split())) list map(int, sys.stdin.readline().split()) map int sys.stdin.readline().split() sys.stdin.readline().split sys.stdin.readline() sys.stdin.readline sys.stdin sys stdin readline split inf = float('inf') inf float('inf') float 'inf' mod = 10**9 + 7 mod 10**9 + 7 10**9 10 9 7 a = ri()//200 a ri()//200 ri() ri 200 print(10-a) print 10-a 10 a rl = lambda: list(map(int, sys.stdin.readline().split())) lambda: list(map(int, sys.stdin.readline().split())) rl mod = 10**9 + 7 10**9 + 7 mod rm = lambda: map(int, sys.stdin.readline().split()) lambda: map(int, sys.stdin.readline().split()) rm rr = lambda: sys.stdin.readline().rstrip() lambda: sys.stdin.readline().rstrip() rr rs = lambda: sys.stdin.readline().split() lambda: sys.stdin.readline().split() rs a = ri()//200 ri()//200 a inf = float('inf') float('inf') inf ri = lambda: int(sys.stdin.readline()) lambda: int(sys.stdin.readline()) ri
import sys
import math
import itertools
import collections
import heapq
import re
import numpy as np
from functools import reduce

rr = lambda: sys.stdin.readline().rstrip()
rs = lambda: sys.stdin.readline().split()
ri = lambda: int(sys.stdin.readline())
rm = lambda: map(int, sys.stdin.readline().split())
rl = lambda: list(map(int, sys.stdin.readline().split()))
inf = float('inf')
mod = 10**9 + 7

a = ri()//200
print(10-a)

















